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8.Students in a science class conducted an investigation to demonstrate that, by Newton’s second law of motion, the ratio between the net force and the acceleration produced is constant. They manipulated the net force applied to an object and measured the acceleration that the object acquired in response. The results are shown in the table.
The students want to present their results in a graph. How should they organize the graph to show the data they collected?
A.use the y-axis for the force and the x-axis for the acceleration
B.use the x-axis for the force and the y-axis for the acceleration
C.use the y-axis for the force and the x-axis for the ratio between the force and the acceleration
D.use the x-axis for the force and the y-axis for the ratio between the force and the acceleration
9.Imagine a scenario in which an animal's force is pushing itself forward 5 N, friction is pushing it 4 N backward, gravity is pushing the animal 10 N down, and the animal is pushing itself 10 N up. Describe the movement of the animal.
A.It moves forward and upward because those are the greatest net forces.
B.It moves 29 N forward because that's the net force.
C.It moves 10 N down and 10 N up as those are the greatest forces acting on the animal.
D.It only moves forward because there is a net force forward.
